Bacteria are the most common living things on earth and you carry them wherever you go. Most of them couldn't hurt a flea, but if conditions are just right, they can cause big problems!
Science as inquiry is the core of this dynamic, investigative, high-interest series which focuses on the science and technology used to solve real-life crimes and mysteries, and includes chapter summa
It's under their skin. In Ghana, Africa, a family is in agony. Parasites called guinea worms are eating through their bodies.While the family gets treatment, a health-care worker hunts for the source
